Intermittent rivers and ephemeral streams: Perspectives for critical zone science and research on socio‐ecosystems

O Fovet, A Belemtougri, L Boithias… - Wiley …, 2021 - Wiley Online Library
Intermittent rivers and ephemeral streams (IRES) are now recognized to support specific
freshwater biodiversity and ecosystem services and represent approximately half of the …

How temperature-dependent silicate weathering acts as Earth's geological thermostat

SL Brantley, A Shaughnessy, MI Lebedeva… - Science, 2023 - science.org
Earth's climate may be stabilized over millennia by solubilization of atmospheric carbon
dioxide (CO2) as minerals weather, but the temperature sensitivity of this thermostat is …

[HTML][HTML] Silicon isotopes and continental weathering processes: Assessing controls on Si transfer to the ocean

S Opfergelt, P Delmelle - Comptes Rendus Geoscience, 2012 - Elsevier
Knowledge of the weathering processes controlling continental transfer of dissolved silicon
(DSi) to the ocean is fundamental to the estimate of the long-term atmospheric CO2-budget …

Elemental weathering fluxes and saprolite production rate in a Central African lateritic terrain (Nsimi, South Cameroon)

JJ Braun, JC Marechal, J Riotte, JL Boeglin… - … et Cosmochimica Acta, 2012 - Elsevier
The comparison between contemporary and long-term weathering has been carried out in
the Small Experimental Watershed (SEW) of Nsimi, South Cameroon in order to quantify the …

REY‐Th‐U dynamics in the critical zone: Combined influence of reactive bedrock accessory minerals, authigenic phases, and hydrological sorting (Mule Hole …

JJ Braun, J Riotte, S Battacharya… - Geochemistry …, 2018 - Wiley Online Library
The sources of REY‐Th‐U and long‐term mass balance were assessed in the gneissic
tropical forested Critical Zone Observatory of Mule Hole, India. The study relies on the …

REY‐Th‐U solute dynamics in the critical zone: Combined influence of chemical weathering, atmospheric deposit leaching, and vegetation cycling (Mule Hole …

JJ Braun, J Riotte, S Battacharya… - Geochemistry …, 2017 - Wiley Online Library
The source and proportion of REY, Th, and U exported by groundwater and by the
ephemeral stream along with the elemental proportions passing through vegetation have …

Contribution of forest fire ash and plant litter decay on stream dissolved composition in a sub-humid tropical watershed (Mule Hole, Southern India)

S Audry, A Akerman, J Riotte, P Oliva, JC Maréchal… - Chemical …, 2014 - Elsevier
The current understanding of wildfire effects on water chemistry is limited by the
quantification of the elemental dissolution rates from ash and element release rate from the …

Constraining complex aquifer geometry with geophysics (2-D ERT and MRS measurements) for stochastic modelling of groundwater flow

A Chaudhuri, M Sekhar, M Descloitres… - Journal of Applied …, 2013 - Elsevier
Stochastic modelling is a useful way of simulating complex hard-rock aquifers as
hydrological properties (permeability, porosity etc.) can be described using random …

Impact of the forest on the hydrological cycle and chemical balance in tropical humid watershed (Mule Hole, India)

JC Maréchal, J Riotte, LL Ruiz, M Sekhar… - Forest and the water …, 2016 - brgm.hal.science
It is commonly accepted that forest plays a role in modifying the water cycle at the watershed
scale. However, the impact of forest on aquifer recharge is still under discussion: some …

Aquifères fracturés et karstiques: de l'observation à la modélisation

JC Maréchal - 2024 - hal.science
Mes travaux de recherche se situent à l'interface entre l'observation et la modélisation des
aquifères hétérogènes Sur la base d'observations et d'expériences réalisées sur plusieurs …